When `0.002mol` of acid is added to `250 mL` of a buffer solution, `pH` decreases by `0.02`units. The buffer capacity of the system is

When 0.1 mole of an acid is added to 2 L of a buffer solution, the P^(H) of the buffer decreases by 0.5 . The buffer capacity of the solution is

When 0.1 mole of an acid is added to 2 L of a buffer solution, the P^(H) of the buffer decreases by 0.5 . The buffer capacity of the solution is

When 0.1 mole of an acid is added to 2 lit of a buffer solution, the P^(H) of the buffer decreases by 0.5 The buffer capacity of the solution is

When 1.0 ml of dil H_2SO_4 is added to 100 ml of a buffer solution of pH :

0.002 moles of an acid is added to a litre of buffer solution, decreases the pH of the buffer by 0.02 . Then the buffer capacity is

When 0.2 mole of an acid is added to 4 lit of a buffer solution, the P^(H) of the buffer decreases by 0.5 . What is the buffer capacity of the solution.?

pH of a buffer solution decreases by 0.02 units when 0.12 g of acetic acid is added to 250 mL of a buffer solution of acetic and potassium acetate at 27^(@)C . The buffer capacity of the solution is

10 ml of 0.2 M acid is added to 250 ml of a buffer solution with pH = 6.34 and the pH of the solution becomes 6.32 . The buffer capacity of the solution is :